A tool to generate Cartesian X-Y plots.

The unlimited number of data points.
The unlimited number of series in graph.
The unlimited number of calculated lines and curves.
Graphs fully customizable.
Secondary axis at top and right.
Log scales for each axis are available.
Error indicators at data points.
Fill between curves, lines and points.
A lot of symbols, error indicators and brushes.
Picture background.
You can draw text commentary along any curve.